we'll be right back. >>> john mcafee's early days in the bay area were fuelled by cocaine and alcohol. police say the silicon valley pioneer might be connected to a murder in the country of belize. he recently fled that country leaving behind a trail of teenagers and guns. where is he now? with nbc's raj in portland, oregon. tonight the interview with john mcafee. >> now, is this a story of a successful entrepreneur who went crazy and surrounded himself with girls and guns and became a murderer or is this the greatest mind [ bleep ] of all time? >> reporter: with that we introduce you to john mcafee 2.0, a lot has changed since he launched his wildly successful company from his small santa clara home in the 180s. not only has he lost most of his fortune but many say he's simply lost his mind. >> much of the press recently has been very negative. you know, i'm a mad man, which perhaps i am. i'm paranoid, i don't think i am. or whatever. yet, people on the streets that recognize me, give me a high five sign, keep going, yeah. i don't know where that comes from. it's a mystery to me. >>